style: switch from monochrome to warm teal theme with proper success/warning/error colors

js/components/pages/page-settings.js

@@ -500,6 +500,10 @@ style.textContent = /* css */`
         color: white;
     }
 
+    #clear-all-data {
+        white-space: nowrap;
+    }
+
     page-settings .about-links {
         display: flex;
         flex-wrap: wrap;